Apr 29th, 2010 Posted in ATP520, Sigmatech | 2 Comments »

This wild looking boombox is a Sigmatech ATP520. It has a distinctive disco lite look to it. It featured:
- Weight: 18 pounds
- Dimensions: 28 x 14 x 6 inches
- 10 band equalizer
- Dual cassettes
- Four speakers
- FM/SW1/SW2/MW
- Wired remote
Update 1-23-2011: A Sigmatech in good shape but with marginally functioning cassette decks sold for just over $400.
Tags: Sigmatech ATP-520, Sigmatech ATP520, Sigmatech Boombox
Apr 29th, 2010 Posted in National, RX-7700 | 2 Comments »

This is the National RX-7700. It was also known as the National Panasonic RX-7700 and the National RS-4360. It featured FM as well as 4 shortwave bands. It has a single cassette and requires 10 D size batteries. It also has some interesting pop-up mics on the top of the box.

It was introduced in 1982. It also had 3 Vu meters, dual antennas, Dolby noise reduction and Normal, CrO2 and FeCr cassette settings. Working versions have sold for over $350.
Tags: National Boombox, National RX-7700
Apr 29th, 2010 Posted in 3090 CQM, JVC | 2 Comments »

This is one odd JVC boombox. As you can see the JVC 3090 CQM has a small tv built in to it. It even has a UHF antenna hookup on the back along with v-hold and h-hold controls.The front has brightness and contrast control for the TV. It also featured:
- Two VU meters for battery and tuner
- Line in / Line out
- External Speaker out
- Dimensions: 20 x 12 x 8
- Weight: approx. 20 pounds
- 120/240V Switch
- FM/AM/SW1/SW2 and UHF/VHF
- Single Cassette
- Dual Antennas
Tags: JVC 3090, JVC 3090-CQM, jvc boombox