JM Sound

LOCAL ONLY/SO CAL Professional grade materials 1.75" titanium dome compression driver 8" square Tractrix® Horn Two 10" Cerametallic™ woofer cones High quality crossover networks

From website: The Alpha is a beginner stereo tube amp kit that uses a single 6GV8 tube per channel and developes 1 watt per channel into 8 ohms impedance.

LOCAL ONLY/so cal Includes dust cover, Rega 300 arm, no cartridge

Output :Voltage RMS :29 Volts 20Hz to 20kHz, one channel loadedPeak :82 VoltsPower :105 Watts one channel into 8 Ohms (20dBW),141 Watts one channel into 4 OhmsPeak-to-peak output current :50 AmpsDamping factor :80Output devices per channel :4Pre-output impedance :50 OhmsLine inputs :Total harmonic distortion + noise :< 0.01% 20Hz to 20kHzSignal / noise ratio :> 98dB ‘A’-weightedInput sensitivity for 105Watts, 8 Ohms :250mVInput impedance :220k OhmsOverload margin :26dBChannel separation :> 70dB typicalFrequency response :20Hz to 20kHz, + 0, - 0.2dBPhono input :Frequency response referenceIEC RIAA - see graph . . .Signal / noise ratio :> 94dB ‘A’-weightedInput sensitivity :2.5mV Moving MagnetInput impedance :47k OhmsOverload margin :24dBInput facilities :3 pairs line level RCA connectors,1 pair phono RCA connectorsOutput facilities :2 amplifier channels via 1 pair per channel binding posts.1 pair RCA audio outputs controlled by the volume,1 pair RCA tape record fixed line level output.Power requirement :100 / 115 / 230Volts AC 50 / 60Hz (factory pre-set),320 Watts maximum into 8 Ohms, 32 Watts idleDimensions :218mm, 8.6 inches wide98mm, 3.8 inches high (including feet)377mm, 14.9 inches deep(including knob and rear terminals)Weight :6.5 kg, 14.3 lbs unit only, unboxed8 kg, 17.7 lbs in shipping cartonStandard accessories :IEC type mains lead (10-Amp), remote control,2 batteries size LR03 or AAA, manganese alkaline t Includes box, remote, MM phono

LOCAL ONLY/ "AS IS" Drivers are good, but crossovers need work(1 front emit and both rears get no signal)

Vintage preamp, late 70's Form Stereo control amplifier Output voltage (Output power) Preamplifier output: 1V Sound-recording output (Pin/Din): 150mV/30mV Maximum output voltage (1kHz) 12V (less than THD 0.1%) THD (Aux) 0.03% or less Cross modulation distortion (Aux, 70Hz:7kHz=4:1, SMPTE) 0.03% or less Frequency characteristic (Output power) 10Hz-80kHz+0.5 -1 dB RIAA deflection (20Hz - 20kHz) �}0.2dB Channel separation (an Output power, 1kHz) 60dB or more SN ratio (IHF, A network, a short circuit) More than Phono1:75dB Aux, Tape mon: 90dB or more Input sensitivity/impedance (an Output power, 1kHz) Phono1:2mV, 4mV, 8mV / 30kohm, 50kohm, 100kohm Phono2:2mV/50kohm Aux, Tuner, Tape play:150mV /, 50kohm Phono maximum permissible input 1000mV (1kHz, THD 0.1%, Input sensitivity of 8mV) Tone control Bass: �}10dB (30Hz) Midrange: �}5dB (1.5kHz) Treble: �}10dB (20kHz) Tone selector Bass: 600Hz, 300Hz, 150Hz Treble: 2kHz, 4kHz, 8kHz A low filter - 3dB (20Hz), 12dB / oct - 3dB (60Hz), 12dB / oct A high filter - 3dB (7kHz), 6dB / oct - 3dB (12kHz), 12dB / oct Muting -20dB Power dissipation 20W Dimensions Width 460x height 176x depth of 345mm Weight 9.9kg

Includes Audioquest Pearl and Forest digital cables/ factory packaging, remote Performance Jitter: <12 picoseconds peak to peak THD(+ noise): <0.0012% 10Hz to 20 kHz Frequency Response: +0, –3dB, 2Hz to 90 kHz (192 kHz input sample rate) Inputs 1x XLR AES balanced digital input 32-192 kbps (16-24 bit stereo PCM) 2x RCA coaxial connector SPDIF 32-192 kbps (16-24 bit stereo PCM) 1x TOSLINK optical connector 32-96 kbps (16-24 bit stereo PCM) 1x USB 2.0 type ‘B’ connector for computer - 16-24 bits, 32-192 kbps fully asynchronous (Determined by source file/computer settings) 1x aptX Bluetooth input v2.1 + EDR spec 2x RCA Phono analogue line-level inputs 1x 12V trigger input, mono 3.5mm jack, +/- 4.5V to +/- 15V Outputs 1x line level RCA (phono) 1x RCA coax connector SPDIF, 32-196 kbps (16-24 bit stereo PCM) 1x Toslink optical connector 32-96 kbps (16-24 bit stereo PCM) 1x Headphones output 6.5mm stereo jack 1x 12V trigger ouput, mono 3.5mm jack, 12v General Dimensions - WxHxD (mm): 220 x 100 x 310 Weight (unpacked / packed): 3.3 kg / 4.8 kg