Infrequent Sound [sex.tex] technology: 2014

Yamaha CA-VI Natural Sound Stereo Amplifier

Specifications:
Output power (DIN, sine)

2 x 33W into 4 ohms
2 x 27W into 8 ohms

Frequency response: 20Hz to 20kHz
Total harmonic distortion: 0.05%
Damping factor: 50
Input sensitivity: 2.5mV (MM), 150mV (line)
Signal to noise ratio: 77dB (MM), 100dB (line)
Output: 150mV (line)
Speaker load impedance: 4Ω (minimum)
Semiconductors: 40 x transistors, 26 x diodes, 1 x zener diode
Dimensions: 435 x 137 x 340mm
Weight: 8kg

radiomuseum | hifiengine (owner's manual, PDF)

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Sharp Optonica SM-3636H (B)

Specifications:
Power output: 40 watts per channel into 8Ω (stereo)
Frequency response: 10Hz to 70kHz
Total harmonic distortion: 0.05%
Damping factor: 40
Input sensitivity: 2.5mV (MM), 150mV (line)
Signal to noise ratio: 70dB (MM), 90dB (line)
Output: 150mV (line), 30mV (DIN)
Speaker load impedance: 4Ω (minimum)
Semiconductors: 2 x IC, 22 x transistors, 4 x FET, 23 x diodes
Dimensions: 442 x 144 x 363mm
Weight: 14.5kg

Downloads:

H/HB instruction/owners manual

H/HB service manual

hifiengine.com

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Sony SS-WS 503 Passive Subwoofer, made in USA

Top off any home theater or audio system with the thumping output of the Sony SS-WS503 subwoofer.

Features include:

Bass reflex type
100-watt output
8-inch woofer
Sleek styling
Silver finish with blue and chrome accents
Measures 8-1/2 inches wide x 19-7/8 inches tall x 8-1/2 inches deep

This high-quality item has been factory reconditioned. Please click on the icon above for more information on quality factory-reconditioned merchandise.

Dimensions	8.5 in. W x 19.8 in. H x 8.5 in. D
Warranty	T
Model Number	SS-WS503
Country of Origin	United States

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Technics SB-RX30 2-way 1 speaker bass-reflex scheme, and a bookshelf type, Japan, 1986

audio-heritage

Method: 2-way 1 speaker bass-reflex scheme, and a bookshelf type · Magnetically shielded design
Use unit:

For all the bands: 22cm coaxial type
For low-pass: 22cm flat
The high band: 2.8cm planar

Play frequency band:

60Hz ~ 25kHz (-10dB)
50Hz ~ 30kHz (-16dB)

Crossover frequency: 2kHz
Impedance: 6Ω
Output sound pressure level: 91dB / W / m
Permissible input:

120W (MUSIC)
60W (DIN)

External dimensions: Width 364 × height 257 × depth 229mm (with net)
Weight: 6.3kg

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Palladium NSA-7000 Stereo Amplifier (#2) | MCS (Modular Component Systems) 3847 | NEC AUA-7000E

Service Manual [PDF]

Link: radiomuseum
Country: Germany
Manufacturer / Brand: Neckermann-Versand KG; Frankfurt a.M.
Brand Twen Tone
Year: 1985 ?? Category: Audio Amplifier or -mixer
Semiconductors (the count is only for transistors) Semiconductors present.
Reception principle Audio-Amplification
Wave bands - without
Details
Power type and voltage Alternating Current supply (AC) / 220 Volt
Loudspeaker - This model requires external speaker(s).
Power out 240 W (unknown quality)
from Radiomuseum.org Model: Palladium NSA-7000 - Neckermann-Versand KG;
Material Metal case
Shape Book-shelf unit.
Notes

Stereo Vollverstärker mit 2x 120 Watt Musik.
Bass-, Treble-Control, Loudness.
4 LS anschliessbar (4-16 Ohm).

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Akai MM-77 Microphone Mixer for Akai GX-77 Reel to Reel

Akai GX-77 выпускался с 1981 по 1984 год. Это наиболее интересная модель компании среди магнитофонов, работающих с катушками диаметром 180 мм. Компактная и легкая в использовании. GX-77-й был первой моделью, способной, проигрывать «EE» пленки и, единственной моделью фирмы AKAI с оригинальной "lambda loading system" системой заправки ленты. Она довольно необычная, но достаточно удобная. Заправка ленты производится с помощью специального подводного ролика. В магнитофоне установлены 6 головок, обеспечивающие полноценную работу и в режиме реверса. Рассчитан на работу в двух скоростях: 19 и 9,5 см/с. Точно так же, как GX-747, GX-77 имеет цифровой счетчик в реальном времени. На задней панели установлен разъем для подключения пульта дистанционного управления. На фронте устанавливалась легкосьемная специальная откидная защитная крышка. Именно для этой модели компания AKAI создала отдельный, специально разработанный микшер для микрофона ММ-77.

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Omnitronic LH-085 Cable tester

Also of vital importance for any technician: cable testers. Everybody who has already been trying to find a damaged cable in a strongly branched DMX universe does not want to renounce such an assistant – at the latest after having looked for the failure with a ladder some meters above ground or when the roof of a trussing had to be lowered again to check the cables. Time loss due to the search is not necessary and uneconomical. That is why Omnitronic has two testers in its program. With plugs for XLR, RCA, jack, five pole DIN (MIDI) as well as four pole speaker cables, the LH-085 is the basic version. It also shows banana sockets for testing the diodes (continuity via LED display and signal sound). Due to the LED display of all contacts, not only disruptions of the signal way can be detected. Short circuits and phase rotations can be recognized, too.

The bigger brother of the LH-085 is the LH-086. In addition, it offers plugs for mini jack, five pole XLRs, eight pole speaker leads and CAT5 cable. It is the yellow version, called LH-088, where CAT5 plugs are replaced by Mini- DIN 4 (S-Video).