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The SPM series of audio confidence monitors from Wohler Technologies offer voice quality confidence monitoring of up to 4 channels. Channels may also be summed together in any combination with convenient front panel control buttons.
4 models are available offering a choice of analog, AES/EBU digital, analog & AES/EBU digital or SDI & AES/EBU digital input sources.
Units fit into a standard Tektronix? half tub, ideal for placement next to video monitors or test equipment.
SPM series units have a front panel volume control, mute button and active channels are indicated with convenient LED indication allowing the operator to tell at a glance which channels are muted.
The SPM series of audio confidence monitors are completely magnetically shielded to allow interference-free operation immediately adjacent to all CRT video monitors. The chassis size makes the unit ideal to sit alongside video monitors and other half rack devices.
Built and rigorously tested in the USA, the SPM series is backed by a strong warranty and a "Satisfaction Guaranteed" return policy.
- 3U Half-Rack Chassis for Compact Mounting next to Test Equipment or Video Monitors
- Fits in Standard Tektronix? Half Tub
- Powerful, 95dB SPL at 1' (0.3m)
- 1 SDI Input (All 4 Channels of Group One) with Reclocked SDI Output
- 2 AES/EBU Digital Inputs with Passive Loop-Through
- 4 Balanced Analog Inputs
- Any Combination of 4 Analog or 4 AES/EBU Channels may be Summed
- Volume Control
- AES Signal Present LEDs
- Mute Switch with LED Indication
- Headphone Jack, Mutes Speaker
- Thorough Magnetic Shielding for Placement next to Video Monitors
- Blowout-Proof Speaker
- Internal Universal AC Mains Power Supply
- Quick and Simple Installation
| Specification |
| Input signal type |
SDI and AES/EBU |
| AES/EBU input connectors |
2 x 75 Ohm BNC |
| AES/EBU output connectors |
2 x 75 Ohm BNC |
| AES/EBU sampling rates |
31 kHz to 48 kHz |
| AES/EBU termination |
by DIP switch on rear panel |
| Analog output of digital source |
4 x phoenix |
| Output gain adjustment |
by DIP switch on rear panel |
| Acoustic frequency response |
60 Hz to 15 kHz (?0.5dB) |
| Maximum acoustic output |
95dB at 1 foot (0.3m) |
| Hum and noise |
better than -70 db below full output |
| Electrical distortion |
<0.2% at any volume |
| Magnetic shielding |
< 1 gauss any adjacent surface |
| Dimensions (HxWxD) |
5.2 x 8.4 x 17" (132 x 213x 432 mm) |
| Weight |
13 lbs. (5.8kg) |
| Power supply |
universal AC input (100-240V) UL/CSA
approved |
| Power consumption |
30W (avg. / max) |
| SDI input connectors |
1 x BNC (75 Ohm) |
| SDI output connectors |
1 x BNC (75 Ohm, re-clocked) |
| SDI receiver type |
auto equalizing with clock regeneration |
| SDI input formats |
component, either 525 or 625 line
w/ 48 KHz audio |
| SDI audio sampling rate |
48 kHz |
Warranty
All Wohler Technologies' products, including installed options, are covered by a limited warranty of two years.
Warranty covers parts and labor necessary to replace any items defective in materials or workmanship.
Customer satisfaction Guarantee
Satisfaction is guaranteed. Returns must be within two weeks of customer receipt of unit; shipping prepaid, securely packaged*, and in new, unaltered condition. Nominal charge for restocking. RMA required. *Customer pays for all return shipping damage!
Special Options
For a list of special options and applications including alarm, multiple SDI inputs, Mute switches, transformer inputs and special switching, or any other special audio needs, contact the factory.
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