Manufactured in the 1960s by Olson Electronics, a popular supplier of consumer audio equipment and DIY electronics, this classic unit is highly sought after by vintage audiophiles and tube amp enthusiasts. The stereo amplifier pushes around 15 watts and has seven tubes. The currebt tube iibstallation consits of (4) tyoe 6BM8, (2) type 12AX7, and (1) type 6CA4. Here are some details on the Olson and its features on the back panel. RCA jacks for Channel 1 and Channel 2, including specialized inputs for a Tape Head, Magnetic Phono (MAG), Ceramic Phono (CER), Tuner (TUN), Auxillary (AUX), and a Tape Output (Tape Out). Hum Adjustments: (HUM/ADJ) Two potentiometer adjustment screws used to balance the heater filament voltage and minimize backround AC hum. Speaker Phasing Switch: A toggle to quickly invert the polarity of one speaker channel to insure playing in phase. The amplifier performs on one channel only, The potentiometers and switches perform without much extraneous noise. The video sound clip has one side of the amplifier at full volume with KLH AV-4001(C) 8 ohn center channel speaker with a Phillips CD player. The feet all have been recently replaced with new hard rubber isolation footers utiliziing the original slot type screws. The unit stands firm and very solid. The inside cabinet appears fairly clean and without any visual issues (photo supplied). There are some scratches on the bottom corner. Owners name scratched on rear. Manufactures name is missing from amplifier. Other scuffs are on the case (photos provided). One of the glamour rings is missing Channel 1 fron outert control knob, 3rd from left. Packed with tubes seperated from the unit if desired (recommended). Will double box and utilize some or all of the following packing materials: air pillows, bubble wrap, kraft paper. Tubes can be reinforced in place or removed and packed seperately. All questions are welcomed and encouraged.
Premium Vintage Vacuum Tubes. GREAT PAIR GENALEX Gold Lion KT88 Vintage UK Amp VACUUM TUBES Tested O. Top O and Side Dual O. Results: 70 and 72. Minimum Good Value: 44. ALL TUBES ARE TESTED WITH RECENTLY CALIBRATED PROFESSIONAL TESTERS. Every tube individually tested before listing. Accurate, honest grading – no surprises. Careful, secure packaging on every order. Happy to answer any questions.
The Marshall Studio Vintage 20W Tube Guitar Amp Head provides the legendary tone of the 1959 Super Lead Plexi in a compact, handwired format. This 20W tube amplifier head features four ECC83 preamp tubes and two EL84 power amp tubes to produce the harmonically rich, saturated tone that Marshall is known for. With four separate inputs, you can blend different sounds and find your signature tone. Distinctive EQ settings, including presence control, give you the flexibility to shape your tone. Crank it up for a biting rock lead or roll back the volume for bluesy rhythm tones. A DI output allows for recording, while power reduction provides the option for lower volume playing. Marshall Studio Vintage 20W Tube Guitar Amp Head Black and Gold Refurbished. It has been professionally refurbished, inspected and cleaned to excellent condition. The item includes original or new accessories and will come in new generic packaging. Iconic 1959 Super Lead Plexi tone. The Marshall Studio Vintage 20W Tube Guitar Amp Head is inspired by the legendary 1959 Super Lead Plexi, producing the unmistakable tone that has defined generations of guitarists. From meaty rock rhythms to searing leads, this compact amp head delivers the tone and touch sensitivity that Marshall is renowned for. Handwired for Premium Tone. Handwired construction and high quality components are key to the rich, expressive tone of the Marshall Studio Vintage 20W Tube Guitar Amp Head. The handwired circuitry and tube design provide the warmth, depth and complexity that Marshall tone is known for. With four separate inputs and distinct EQ settings, the Marshall Studio Vintage 20W Tube Guitar Amp Head provides flexibility to shape your tone. The presence control adds top end sizzle. Power reduction lowers the volume for practice and recording, while a DI output allows for direct recording. Though inspired by the iconic 1959 Super Lead Plexi, the Marshall Studio Vintage 20W Tube Guitar Amp Head has a compact, portable design perfect for the stage and studio. Power reduction and a DI output add flexibility for a variety of playing situations. Crank it up and unleash the full power of this handwired tone machine. For example, if your order is placed AND paid for at 1 p. Store Policies If you’re not satisfied, neither are we. It’s that simple. Be in brand-new condition, showing no signs of wear or use such as belt-buckle or pick scratches, scuffs, dings, or scrapes on the instrument or collateral materials.
Vintage Bogen SRB-20 Tube Stereo Receiver – Classic Early 1960s American Hi-Fi. Classic American tube receiver using four 6BM8 / ECL82 output tubes delivering warm vintage hi-fi sound. Offered for sale is a vintage Bogen SRB-20 stereo tube receiver, a beautiful gold-face unit from the early 1960s featuring classic American tube audio design. These receivers are known for their warm tube sound and attractive mid-century styling. This unit was recently acquired from an estate and remains largely original and unmodified, making it an excellent candidate for restoration or servicing by a vintage audio enthusiast. Unit powers on and tubes illuminate. Audio present with very minimal hum. Volume and tone controls respond when adjusted. Overall cosmetic condition is very good for its age. The tuning mechanism does not currently rotate due to deterioration of the rubber friction wheel in the dial drive assembly. This is a common issue on vintage receivers of this era and typically an easy repair for restorers. Please review photos carefully as they are part of the description. ECL82 / 6BM8 output tubes (4). EZ81 rectifier. 12AX7 / ECC83. 6AU6. Additional tubes in tuner section. Tubes appear to be vintage and include respected brands. Front panel presents very nicely with original knobs and clear dial window. Chassis is clean with original transformers and components visible. Minor signs of normal vintage age and use may be present. No guarantees are made regarding long-term operation without servicing. A Beautiful Vintage Hi-Fi Piece. The Bogen SRB-20 is a wonderful example of early American stereo tube receivers and makes an excellent project for collectors, tube audio enthusiasts, or vintage audio restorers. Made in USA Bogen-Presto tube hi-fiIf you want, I can also show you something interesting hidden in your photos that tells me this receiver may have been very lightly used. It’s a detail tube collectors notice right away.
The Marshall Studio Vintage 20W Tube Guitar Amp Head provides the legendary tone of the 1959 Super Lead Plexi in a compact, handwired format. This 20W tube amplifier head features four ECC83 preamp tubes and two EL84 power amp tubes to produce the harmonically rich, saturated tone that Marshall is known for. With four separate inputs, you can blend different sounds and find your signature tone. Distinctive EQ settings, including presence control, give you the flexibility to shape your tone. Crank it up for a biting rock lead or roll back the volume for bluesy rhythm tones. A DI output allows for recording, while power reduction provides the option for lower volume playing. Marshall Studio Vintage 20W Tube Guitar Amp Head Black and Gold. Iconic 1959 Super Lead Plexi tone. The Marshall Studio Vintage 20W Tube Guitar Amp Head is inspired by the legendary 1959 Super Lead Plexi, producing the unmistakable tone that has defined generations of guitarists. From meaty rock rhythms to searing leads, this compact amp head delivers the tone and touch sensitivity that Marshall is renowned for. Handwired for Premium Tone. Handwired construction and high quality components are key to the rich, expressive tone of the Marshall Studio Vintage 20W Tube Guitar Amp Head. The handwired circuitry and tube design provide the warmth, depth and complexity that Marshall tone is known for. With four separate inputs and distinct EQ settings, the Marshall Studio Vintage 20W Tube Guitar Amp Head provides flexibility to shape your tone. The presence control adds top end sizzle. Power reduction lowers the volume for practice and recording, while a DI output allows for direct recording. Though inspired by the iconic 1959 Super Lead Plexi, the Marshall Studio Vintage 20W Tube Guitar Amp Head has a compact, portable design perfect for the stage and studio. Power reduction and a DI output add flexibility for a variety of playing situations. Crank it up and unleash the full power of this handwired tone machine. Power: 20W (tube) Power switching from 20W to 5W Tubes: two 12AX7 (preamp); one 12AX7 (phase splitter); two EL34 (power amp) Single channel Four inputs Controls: 3-band EQ, presence, volume DI output Speaker outputs: 4, 8, 16 ohm. For example, if your order is placed AND paid for at 1 p. Store Policies If you’re not satisfied, neither are we. It’s that simple. Be in brand-new condition, showing no signs of wear or use such as belt-buckle or pick scratches, scuffs, dings, or scrapes on the instrument or collateral materials.
The Marshall Studio Vintage 20W Tube Guitar Amp Head provides the legendary tone of the 1959 Super Lead Plexi in a compact, handwired format. This 20W tube amplifier head features four ECC83 preamp tubes and two EL84 power amp tubes to produce the harmonically rich, saturated tone that Marshall is known for. With four separate inputs, you can blend different sounds and find your signature tone. Distinctive EQ settings, including presence control, give you the flexibility to shape your tone. Crank it up for a biting rock lead or roll back the volume for bluesy rhythm tones. A DI output allows for recording, while power reduction provides the option for lower volume playing. Marshall Studio Vintage 20W Tube Guitar Amp Head Black and Gold Refurbished. It has been professionally refurbished, inspected and cleaned to excellent condition. The item includes original or new accessories and will come in new generic packaging. Iconic 1959 Super Lead Plexi tone. The Marshall Studio Vintage 20W Tube Guitar Amp Head is inspired by the legendary 1959 Super Lead Plexi, producing the unmistakable tone that has defined generations of guitarists. From meaty rock rhythms to searing leads, this compact amp head delivers the tone and touch sensitivity that Marshall is renowned for. Handwired for Premium Tone. Handwired construction and high quality components are key to the rich, expressive tone of the Marshall Studio Vintage 20W Tube Guitar Amp Head. The handwired circuitry and tube design provide the warmth, depth and complexity that Marshall tone is known for. With four separate inputs and distinct EQ settings, the Marshall Studio Vintage 20W Tube Guitar Amp Head provides flexibility to shape your tone. The presence control adds top end sizzle. Power reduction lowers the volume for practice and recording, while a DI output allows for direct recording. Though inspired by the iconic 1959 Super Lead Plexi, the Marshall Studio Vintage 20W Tube Guitar Amp Head has a compact, portable design perfect for the stage and studio. Power reduction and a DI output add flexibility for a variety of playing situations. Crank it up and unleash the full power of this handwired tone machine. For example, if your order is placed AND paid for at 1 p. Store Policies If you’re not satisfied, neither are we. It’s that simple. Be in brand-new condition, showing no signs of wear or use such as belt-buckle or pick scratches, scuffs, dings, or scrapes on the instrument or collateral materials.
The Marshall Studio Vintage 20W Tube Guitar Amp Head provides the legendary tone of the 1959 Super Lead Plexi in a compact, handwired format. This 20W tube amplifier head features four ECC83 preamp tubes and two EL84 power amp tubes to produce the harmonically rich, saturated tone that Marshall is known for. With four separate inputs, you can blend different sounds and find your signature tone. Distinctive EQ settings, including presence control, give you the flexibility to shape your tone. Crank it up for a biting rock lead or roll back the volume for bluesy rhythm tones. A DI output allows for recording, while power reduction provides the option for lower volume playing. Marshall Studio Vintage 20W Tube Guitar Amp Head Black and Gold 197881350703 RF. Item Specific Details There is light wear on various surfaces of the amplifier. Iconic 1959 Super Lead Plexi tone. The Marshall Studio Vintage 20W Tube Guitar Amp Head is inspired by the legendary 1959 Super Lead Plexi, producing the unmistakable tone that has defined generations of guitarists. From meaty rock rhythms to searing leads, this compact amp head delivers the tone and touch sensitivity that Marshall is renowned for. Handwired for Premium Tone. Handwired construction and high quality components are key to the rich, expressive tone of the Marshall Studio Vintage 20W Tube Guitar Amp Head. The handwired circuitry and tube design provide the warmth, depth and complexity that Marshall tone is known for. With four separate inputs and distinct EQ settings, the Marshall Studio Vintage 20W Tube Guitar Amp Head provides flexibility to shape your tone. The presence control adds top end sizzle. Power reduction lowers the volume for practice and recording, while a DI output allows for direct recording. Though inspired by the iconic 1959 Super Lead Plexi, the Marshall Studio Vintage 20W Tube Guitar Amp Head has a compact, portable design perfect for the stage and studio. Power reduction and a DI output add flexibility for a variety of playing situations. Crank it up and unleash the full power of this handwired tone machine. For example, if your order is placed AND paid for at 1 p. Store Policies If you’re not satisfied, neither are we. It’s that simple. Be in brand-new condition, showing no signs of wear or use such as belt-buckle or pick scratches, scuffs, dings, or scrapes on the instrument or collateral materials.
Untested but excellent condition transformer. I do not claim to know how this transformer should be utilized in your particular circuit – pics are of the actual transformer you will receive – specs for the transformer are in the pictures. If you have any questions or I can help in any way don’t hesitate to ask. Listing price is for 1 transformer.
