Vintage Tube Amp

Rare super heavy-duty Mono 805 Tube Amplifiers! Ramped up slowly on Variac = Working! Tube audio path: 12AU7 -> 12BH7 -> (2x) 7027A -> (2x) 805. Clear sound, minimal noise / hum. Nice looking amplifiers, from small-town Drive-In movie theater. Leaving cleaning / detailing to you. One Amp chassis is modestly dented, near the OT mounting – see Pic. Some wire insulation is brittle, as expected, still working. VERY HEAVY: each 1-piece amplifier is 115 LBS before packaging. Pro Packaging by local professional Co. Missing: one pilot light power indicator lens. Amplifier metal model plates marked: Model MX 24 DS serial 954 & 955. ALL Tubes INCLUDED (not original tubes). Audio input, speaker 4-8-10 ohm outputs all on Barrier Strip screw terminals. The upper amp section metal bottom plates are included, only removed for Pics of components. Very high dangerous voltages to 805 power tubes, please use caution. Now, relisted for a 3rd try.. The item “PAIR vintage BALLANTYNE MX24 Theater Mono Tube Amplifier western electric” is in sale since Sunday, April 14, 2019. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps”. The seller is “220spkrs” and is located in Wichita, Kansas. This item can be shipped worldwide.

• Model: MX-24DS
• Country/Region of Manufacture: United States
• Type: Power Amplifier
• Brand: BALLANTYNE

Very nice example of this classic amplifier. As you can see under the chassis a lot of updates, performs beautifully, looks great for age. Very much plug in and play. Questions call or text 61526O9569 thanks john SPECIFICATIONSChannels: 2. Power output: 80 watts 40 w. Per channel IHFM Music Power Output (0.7% THD, 1kc). Power response: ± 0.5 db, 20-20,000 cps at 40 watts output per channel. Harmonic distortion:1.5% or less, 20-20,000 cps, at 40 watts output per channel. Intermodulation distortion:0.5% or less at 40 watts output per channel, 60 and 6,000 cps mixed 4:1. Hum and noise: 85 db below 40 watts output. Channel separation: 70 db or better at 1 kc. Input sensitivity:0.95 volts rms for 40 watts output per channel. Outputs: 4, 8, 16 and 32 ohms per channel; center speaker terminals can be used with 4, 8 or 16 ohm speakers. Damping factor: 16:1, 8 and 16 ohm taps; 12.5:1, 4 ohm tap. Controls: A channel: bias balance, bias voltage, level. B Channel: bias balance, bias voltage, level. Function selector; phase and power switches. Tube complement: 2-6AN8; 4-EL34; 4 silicon diode rectifiers, 1 selenium bias rectifier. Power requirements: 117 volts, 50/60 cycles. Power outlets: 2 AC outlets; 1 switched, 1 unswitched. Color and finish: Metallic bronze, expanded metal dust cover; black chassis with ivory lower front panel. Dimensions: 7¼” H x 15″ W x 11 D. The item “Vintage Heathkit AA-40 Tube Amplifier, Nice example” is in sale since Friday, March 22, 2019. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps”. The seller is “jvia” and is located in Murfreesboro, Tennessee. This item can be shipped to United States.

• Model: AA-40
• Type: Tube power amplifier
• Brand: Heathkit